Solutions Central Solutions Central › Tag: o ringsFilter:AllUnansweredSort byViewsAnswersVotesIs B-12 Spray Safe On Carb O-Rings ?chemtooler answered 9 years ago • Choke, Cleaning / Degreasing > B-12 Chemtool® Carb, Throttle Body Cleaner2255 views1 answers0 voteswill b12 chemtool harm o rings in carb?chemtooler answered 10 years ago • Choke, Cleaning / Degreasing > B-12 Chemtool® Carb, Throttle Body Cleaner1952 views1 answers0 votes